Curtain Pole Assembly Having Detachable Structure

ABSTRACT

A curtain pole assembly includes two poles, a connecting rod inserted between the poles, and two pressing caps each mounted on the connecting rod and each pressing a respective one of the poles. The connecting rod has two protruding blocks each inserted into a respective one of the poles and each provided with an outer threaded portion. Each of the pressing caps has an inner threaded portion screwed onto the outer threaded portion of the respective protruding block. Each of the pressing caps has a peripheral wall provided with a slit. Each of the protruding blocks of the connecting rod has a tapered shape and has a size reduced gradually and outwardly.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a curtain accessory and, moreparticularly, to a curtain pole assembly.

2. Description of the Related Art

A conventional curtain pole assembly 30 in accordance with the prior artshown in FIG. 7 comprises a plurality of mounting tubes 31 connectedwith each other. Each of the mounting tubes 31 has a first end providedwith a receiving portion 311 and a second end provided with an insertionportion 312 which has a reduced diameter smaller than that of thereceiving portion 311. In assembly, the insertion portion 312 of one ofthe mounting tubes 31 is inserted into the receiving portion 311 ofanother one of the mounting tubes 31 so that the mounting tubes 31 areconnected with each other by connection of the insertion portion 312 andthe receiving portion 311 to construct the curtain pole assembly 30.However, the insertion portion 312 is not secured in the receivingportion 311 closely and tightly so that the insertion portion 312 iseasily detached from the receiving portion 311, thereby detaching andseparating the mounting tubes 31 from each other. In addition, themounting tubes 31 are connected with each other by loose fit of theinsertion portion 312 and the receiving portion 311, thereby decreasingthe structural strength of the curtain pole assembly 30. Further, theinsertion portion 312 is connected with the receiving portion 311 by aloose fit so that the mounting tubes 31 are not connected solidly andstably and easily produce vibration due to the weight of the curtain.

BRIEF SUMMARY OF THE INVENTION

In accordance with the present invention, there is provided a curtainpole assembly, comprising two poles, a connecting rod inserted betweenthe two poles, and two pressing caps each mounted on the connecting rodand each pressing a respective one of the two poles.

The connecting rod has two protruding blocks provided at two oppositeends thereof Each of the two protruding blocks of the connecting rod isinserted into a respective one of the two poles. Each of the twoprotruding blocks of the connecting rod has a periphery provided with anouter threaded portion. Each of the two pressing caps has an inner wallprovided with an inner threaded portion screwed onto the outer threadedportion of the respective protruding block. Each of the two pressingcaps has a peripheral wall provided with an axially extending slit. Theconnecting rod has a diameter slightly smaller than an inner diameter ofeach of the two poles. Each of the two protruding blocks of theconnecting rod has a tapered shape and has a size reduced gradually andoutwardly. Each of the two poles has an inner wall. Each of the twopressing caps has an outer wall pressing the inner wall of therespective pole. The slit of each of the two pressing caps extendsthrough a whole thickness of each of the two pressing caps to make eachof the two pressing caps flexible so that each of the two pressing capsis expandable radially and outwardly toward the respective pole.

The primary objective of the present invention is to provide a curtainpole assembly having a detachable structure.

According to the primary advantage of the present invention, the twopoles and the connecting rod are detached before assembly so as todecrease the cost in packaging, storage and transportation of thecurtain pole assembly.

According to another advantage of the present invention, the connectingrod and the two poles are combined together to construct the curtainpole assembly so that the curtain pole assembly is assembled easily andquickly, thereby facilitating a user assembling the curtain poleassembly.

According to a further advantage of the present invention, each of thetwo pressing caps is locked between the respective protruding block ofthe connecting rod and the respective pole so that the connecting rodand the two poles are combined solidly and stably to prevent theconnecting rod from being detached from the two poles.

According to a further advantage of the present invention, theconnecting rod is inserted between the two poles to support the twopoles evenly and smoothly to enhance the structural strength of thecurtain pole assembly.

Further benefits and advantages of the present invention will becomeapparent after a careful reading of the detailed description withappropriate reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING(S)

FIG. 1 is a perspective view of a curtain pole assembly in accordancewith the preferred embodiment of the present invention.

FIG. 2 is an exploded perspective view of the curtain pole assembly asshown in FIG. 1.

FIG. 3 is a front cross-sectional view of the curtain pole assembly asshown in FIG. 1.

FIG. 4 is a schematic operational view of the curtain pole assembly asshown in FIG. 3.

FIG. 5 is a partially enlarged view of the curtain pole assembly asshown in FIG. 4.

FIG. 6 is a schematic perspective view showing usage of the curtain poleassembly as shown in FIG. 1.

FIG. 7 is a partially side cross-sectional view of a conventionalcurtain pole assembly in accordance with the prior art.

DETAILED DESCRIPTION OF THE INVENTION

Referring to the drawings and initially to FIGS. 1-3, a curtain poleassembly in accordance with the preferred embodiment of the presentinvention comprises two poles 10, a connecting rod 20 inserted betweenthe two poles 10, and two pressing caps 23 each mounted on theconnecting rod 20 and each pressing a respective one of the two poles10.

The two poles 10 are juxtaposed to each other. Each of the two poles 10has a tubular shape and has an inner wall 11.

The connecting rod 20 has a diameter slightly smaller than an innerdiameter of each of the two poles 10. The connecting rod 20 has twoprotruding blocks 22 provided at two opposite ends thereof. Each of thetwo protruding blocks 22 of the connecting rod 20 has a tapered shapeand has a size reduced gradually and outwardly. Each of the twoprotruding blocks 22 of the connecting rod 20 is inserted into arespective one of the two poles 10. Each of the two protruding blocks 22of the connecting rod 20 has a periphery provided with an outer threadedportion 221 and has an end face provided with an enlarged stop flange222 to stop movement of a respective one of the two pressing caps 23.The stop flange 222 of each of the two protruding blocks 22 has anannular shape and protrudes radially and outwardly. The connecting rod20 has a middle position provided with an enlarged collar 21 locatedbetween the two poles 10 and pressing the inner wall 11 of therespective pole 10.

Each of the two pressing caps 23 is mounted on a respective one of thetwo protruding blocks 22 of the connecting rod 20 and is located betweenthe respective protruding block 22 of the connecting rod 20 and therespective pole 10. Each of the two pressing caps 23 has an inner wallprovided with an inner threaded portion 232 screwed onto the outerthreaded portion 221 of the respective protruding block 22. The innerwall of each of the two pressing caps 23 is provided with a through hole231 to limit the stop flange 222 of the respective protruding block 22.The through hole 231 of each of the two pressing caps 23 extends througha whole length of each of the two pressing caps 23 and has a diametersmaller than that of the stop flange 222 of the respective protrudingblock 22. Each of the two pressing caps 23 has an outer wall 230pressing the inner wall 11 of the respective pole 10. The outer wall 230of each of the two pressing caps 23 is provided with a plurality ofpressing ribs 234 pressing the inner wall 11 of the respective pole 10.Each of the two pressing caps 23 has a peripheral wall provided with anaxially extending slit 233 which extends through a whole thickness ofeach of the two pressing caps 23 to make each of the two pressing caps23 flexible so that each of the two pressing caps 23 is expandableradially and outwardly toward the respective pole 10.

In assembly, referring to FIGS. 4 and 5 with reference to FIGS. 1-3,each of the two protruding blocks 22 of the connecting rod 20 isinitially inserted into a respective one of the two poles 10 as shown inFIG. 3. At this time, the outer wall 230 of each of the two pressingcaps 23 slightly contacts the inner wall 11 of the respective pole 10.Then, the connecting rod 20 is rotated relative to each of the two poles10 as shown in FIG. 4 so that the outer threaded portion 221 of each ofthe two protruding blocks 22 is further screwed into the inner threadedportion 232 of the respective pressing cap 23 to push and expand therespective pressing cap 23 radially and outwardly to press therespective pole 10 by provision of the slit 233. In such a manner, eachof the two pressing caps 23 is screwed onto the respective protrudingblock 22 of the connecting rod 20, and the outer wall 230 of each of thetwo pressing caps 23 presses the inner wall 11 of the respective pole 10as shown in FIG. 5, so that each of the two pressing caps 23 is lockedbetween the respective protruding block 22 of the connecting rod 20 andthe respective pole 10 solidly and stably. At this time, each of the twopressing caps 23 is provided with a plurality of pressing ribs 234pressing the inner wall 11 of the respective pole 10 so that each of thetwo pressing caps 23 presses the inner wall 11 of the respective pole 10closely and tightly. Thus, the connecting rod 20 is forcibly fittedbetween the two poles 10 so that the connecting rod 20 and the two poles10 are combined together to construct the curtain pole assembly as shownin FIG. 6.

Accordingly, the two poles 10 and the connecting rod 20 are detachedbefore assembly so as to decrease the cost in packaging, storage andtransportation of the curtain pole assembly. In addition, the connectingrod 20 and the two poles 10 are combined together to construct thecurtain pole assembly so that the curtain pole assembly is assembledeasily and quickly, thereby facilitating a user assembling the curtainpole assembly. Further, each of the two pressing caps 23 is lockedbetween the respective protruding block 22 of the connecting rod 20 andthe respective pole 10 so that the connecting rod 20 and the two poles10 are combined solidly and stably to prevent the connecting rod 20 frombeing detached from the two poles 10. Further, the connecting rod 20 isinserted between the two poles 10 to support the two poles 10 evenly andsmoothly to enhance the structural strength of the curtain poleassembly.

Although the invention has been explained in relation to its preferredembodiment(s) as mentioned above, it is to be understood that many otherpossible modifications and variations can be made without departing fromthe scope of the present invention. It is, therefore, contemplated thatthe appended claim or claims will cover such modifications andvariations that fall within the true scope of the invention.

1. A curtain pole assembly, comprising: two poles; a connecting rodinserted between the two poles; and two pressing caps each mounted onthe connecting rod and each pressing a respective one of the two poles;the connecting rod has two protruding blocks provided at two oppositeends thereof; each of the two protruding blocks of the connecting rod isinserted into a respective one of the two poles; each of the twoprotruding blocks of the connecting rod has a periphery provided with anouter threaded portion; each of the two pressing caps has an inner wallprovided with an inner threaded portion screwed onto the outer threadedportion of the respective protruding block; each of the two pressingcaps has a peripheral wall provided with an axially extending slit. 2.The curtain pole assembly of claim 1, wherein the connecting rod has adiameter slightly smaller than an inner diameter of each of the twopoles; each of the two protruding blocks of the connecting rod has atapered shape and has a size reduced gradually and outwardly; each ofthe two poles has an inner wall; each of the two pressing caps has anouter wall pressing the inner wall of the respective pole; the slit ofeach of the two pressing caps extends through a whole thickness of eachof the two pressing caps to make each of the two pressing caps flexibleso that each of the two pressing caps is expandable radially andoutwardly toward the respective pole.
 3. The curtain pole assembly ofclaim 1, wherein the connecting rod has a middle position provided withan enlarged collar located between the two poles and pressing the innerwall of the respective pole; the two poles are juxtaposed to each other;each of the two poles has a tubular shape.
 4. The curtain pole assemblyof claim 1, wherein each of the two pressing caps is mounted on arespective one of the two protruding blocks of the connecting rod; eachof the two pressing caps is located between the respective protrudingblock of the connecting rod and the respective pole; each of the twoprotruding blocks of the connecting rod has an end face provided with anenlarged stop flange to stop movement of a respective one of the twopressing caps; the inner wall of each of the two pressing caps isprovided with a through hole to limit the stop flange of the respectiveprotruding block.
 5. The curtain pole assembly of claim 1, wherein thestop flange of each of the two protruding blocks has an annular shapeand protrudes radially and outwardly; the through hole of each of thetwo pressing caps extends through a whole length of each of the twopressing caps; the through hole of each of the two pressing caps has adiameter smaller than that of the stop flange of the respectiveprotruding block.
 6. The curtain pole assembly of claim 1, wherein theouter wall of each of the two pressing caps is provided with a pluralityof pressing ribs pressing the inner wall of the respective pole.